7n+3=12n-7

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Solution for 7n+3=12n-7 equation: 



7n+3=12n-7

We move all terms to the left:

7n+3-(12n-7)=0

We get rid of parentheses

7n-12n+7+3=0

We add all the numbers together, and all the variables

-5n+10=0

We move all terms containing n to the left, all other terms to the right

-5n=-10

n=-10/-5

n=+2

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